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C22C38/008
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Patents Grants
last 30 patents
Information
Patent Grant
Steel sheet
Patent number
11,970,752
Issue date
Apr 30, 2024
Nippon Steel Corporation
Kengo Takeda
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet
Patent number
11,970,758
Issue date
Apr 30, 2024
Nippon Steel Corporation
Hiroshi Shuto
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing hot-rolled steel sheet and method for producin...
Patent number
11,965,222
Issue date
Apr 23, 2024
JFE Steel Corporation
Hidekazu Minami
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and iron core using same
Patent number
11,959,149
Issue date
Apr 16, 2024
JFE Steel Corporation
Takeshi Imamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Flux-cored wire for gas shield arc welding
Patent number
11,958,139
Issue date
Apr 16, 2024
Kobe Steel, Ltd.
Yoshimasa Muranishi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for producing non-oriented electrical steel sheet, method fo...
Patent number
11,962,184
Issue date
Apr 16, 2024
JFE Steel Corporation
Yoshiaki Zaizen
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for nitrocarburizing and nitrocarburized component, and metho...
Patent number
11,959,177
Issue date
Apr 16, 2024
JFE Steel Corporation
Masayuki Kasai
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Non oriented electrical steel sheet
Patent number
11,952,641
Issue date
Apr 9, 2024
Nippon Steel Corporation
Masaru Takahashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain oriented electrical steel sheet
Patent number
11,948,711
Issue date
Apr 2, 2024
Nippon Steel Corporation
Takashi Kataoka
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and method for producing same
Patent number
11,946,112
Issue date
Apr 2, 2024
JFE Steel Corporation
Yoshihiko Ono
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Annealing separating agent composition for grain-oriented electrica...
Patent number
11,946,114
Issue date
Apr 2, 2024
POSCO Co., Ltd
Min Serk Kwon
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of producing a non-oriented electrical steel sheet
Patent number
11,946,123
Issue date
Apr 2, 2024
JFE Steel Corporation
Masanori Uesaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel with improved forsterite coating ch...
Patent number
11,942,247
Issue date
Mar 26, 2024
Cleveland-Cliffs Steel Properties Inc.
Jerry William Schoen
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet
Patent number
11,942,246
Issue date
Mar 26, 2024
Nippon Steel Corporation
Minako Fukuchi
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method of producing same
Patent number
11,923,116
Issue date
Mar 5, 2024
JFE Steel Corporation
Takeshi Omura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Hot dip galvanized steel sheet and method for producing same
Patent number
11,905,570
Issue date
Feb 20, 2024
Nippon Steel Corporation
Takafumi Yokoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet
Patent number
11,898,219
Issue date
Feb 13, 2024
Nippon Steel Corporation
Katsuya Nakano
C21 - METALLURGY OF IRON
Information
Patent Grant
Soft magnetic powder, pressed powder body, and magnetic component
Patent number
11,894,169
Issue date
Feb 6, 2024
TDK Corporation
Kazuhiro Yoshidome
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
High strength hot rolled or cold rolled and annealed steel and meth...
Patent number
11,884,990
Issue date
Jan 30, 2024
TATA STEEL NEDERLAND TECHNOLOGY BV
Joost Willem Hendrik Van Krevel
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet, forming method for insulatio...
Patent number
11,866,812
Issue date
Jan 9, 2024
Nippon Steel Corporation
Ichiro Tanaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and method of manufacturing the same
Patent number
11,866,800
Issue date
Jan 9, 2024
Nippon Steel Corporation
Hiroyuki Kawata
C21 - METALLURGY OF IRON
Information
Patent Grant
Austenitic stainless steel
Patent number
11,866,814
Issue date
Jan 9, 2024
Nippon Steel Corporation
Takahiro Osuki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Non-oriented electrical steel sheet
Patent number
11,866,797
Issue date
Jan 9, 2024
Nippon Steel Corporation
Hiroyoshi Yashiki
C21 - METALLURGY OF IRON
Information
Patent Grant
Zinc-plated steel sheet and manufacturing method thereof
Patent number
11,859,259
Issue date
Jan 2, 2024
Nippon Steel Corporation
Takafumi Yokoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Non oriented electrical steel sheet, iron core, manufacturing metho...
Patent number
11,859,265
Issue date
Jan 2, 2024
Nippon Steel Corporation
Ichiro Tanaka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
High-strength steel sheet and method for manufacturing same
Patent number
11,846,002
Issue date
Dec 19, 2023
JFE Steel Corporation
Shimpei Yoshioka
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and method for manufacturing the same
Patent number
11,846,003
Issue date
Dec 19, 2023
JFE Steel Corporation
Takuya Hirashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Coated steel member, coated steel sheet, and methods for producing...
Patent number
11,827,964
Issue date
Nov 28, 2023
Nippon Steel Corporation
Shinichiro Tabata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet for hot press formed member having excellent coating ad...
Patent number
11,820,103
Issue date
Nov 21, 2023
POSCO Co., Ltd
Seong-Woo Kim
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Non oriented electrical steel sheet, iron core, manufacturing metho...
Patent number
11,814,710
Issue date
Nov 14, 2023
Nippon Steel Corporation
Ichiro Tanaka
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
STEEL SHEET AND WELDED JOINT
Publication number
20240141467
Publication date
May 2, 2024
NIPPON STEEL CORPORATION
Yuya SUZUKI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HOT-STAMP FORMED BODY
Publication number
20240133007
Publication date
Apr 25, 2024
NIPPON STEEL CORPORATION
Shingo FUJINAKA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240136095
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Shigehiro TAKAJO
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240132987
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Katsuya Hata
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240132986
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Katsuya Hata
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET
Publication number
20240124963
Publication date
Apr 18, 2024
NIPPON STEEL CORPORATION
Satoshi HIRONAKA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20240105369
Publication date
Mar 28, 2024
JFE STEEL CORPORATION
Makoto Watanabe
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL COMPOSITION, WROUGHT ARTICLE AND MANUFACTURING METHOD OF A SE...
Publication number
20240093323
Publication date
Mar 21, 2024
DALMINE S.P.A.
PAOLO BORTOT
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, MOTOR CORE, METHOD FOR MANUFAC...
Publication number
20240096531
Publication date
Mar 21, 2024
NIPPON STEEL CORPORATION
Ichiro TANAKA
B32 - LAYERED PRODUCTS
Information
Patent Application
STEEL SHEET
Publication number
20240084427
Publication date
Mar 14, 2024
NIPPON STEEL CORPORATION
Yuya SUZUKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...
Publication number
20240084415
Publication date
Mar 14, 2024
NIPPON STEEL CORPORATION
Hiroyoshi YASHIKI
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THER...
Publication number
20240079166
Publication date
Mar 7, 2024
POSCO Co., Ltd
Daehyun SONG
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240068065
Publication date
Feb 29, 2024
JFE STEEL CORPORATION
Taiyo Asakawa
C21 - METALLURGY OF IRON
Information
Patent Application
STAINLESS STEEL MATERIAL, METHOD FOR PRODUCING SAME, AND ANTIBACTER...
Publication number
20240060151
Publication date
Feb 22, 2024
NIPPON STEEL STAINLESS STEEL CORPORATION
Akinori KAWANO
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20240052463
Publication date
Feb 15, 2024
POSCO Co., Ltd
Minserk Kwon
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET, IMPACT ABSORBING MEMBER, AND METHOD FOR...
Publication number
20240052449
Publication date
Feb 15, 2024
JFE STEEL CORPORATION
Yoshiyasu Kawasaki
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE...
Publication number
20240051265
Publication date
Feb 15, 2024
POSCO CO., LTD
Seong-Woo KIM
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFA...
Publication number
20240043953
Publication date
Feb 8, 2024
POSCO Co., Ltd
Ki-Cheol Kang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240047106
Publication date
Feb 8, 2024
NIPPON STEEL CORPORATION
Minako FUKUCHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
STEEL SHEET FOR HOT STAMPING AND HOT-STAMPED MEMBER
Publication number
20240044012
Publication date
Feb 8, 2024
NIPPON STEEL CORPORATION
Yuki SUZUKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20240035108
Publication date
Feb 1, 2024
POSCO Co., Ltd
Kyungjun Ko
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND MANUFACTURING METHOD THE...
Publication number
20240035128
Publication date
Feb 1, 2024
POSCO Co., Ltd
Minserk KWON
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND PRODUCTION METHOD THEREFOR
Publication number
20240026481
Publication date
Jan 25, 2024
JFE STEEL CORPORATION
Takuya HIRASHIMA
C21 - METALLURGY OF IRON
Information
Patent Application
GALVANIZED STEEL SHEET WITH EXCELLENT SURFACE QUALITY AND ELECTRICA...
Publication number
20240026488
Publication date
Jan 25, 2024
POSCO Co., Ltd
Ki-Cheol Kang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HIGH TOUGHNESS HIGH CARBON COLD ROLLED STEEL SHEET HAVING EXCELLENT...
Publication number
20240018621
Publication date
Jan 18, 2024
POSCO Co., Ltd
Je-Wook JANG
C21 - METALLURGY OF IRON
Information
Patent Application
LOW-TEMPERATURE-RESISTANT AND CORROSION-RESISTANT CARGO OIL TANK ST...
Publication number
20240018616
Publication date
Jan 18, 2024
ANGANG STEEL COMPANY LIMITED
Ling YAN
C21 - METALLURGY OF IRON
Information
Patent Application
PRODUCTION METHOD FOR NON-ORIENTED SILICON STEEL AND NON-ORIENTED S...
Publication number
20240011121
Publication date
Jan 11, 2024
INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
Chongxiang YUE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STAINLESS STEEL FOIL FOR CATALYST SUPPORT OF EXHAUST GAS PURIFIER
Publication number
20240011136
Publication date
Jan 11, 2024
JFE STEEL CORPORATION
Akito MIZUTANI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND METHOD F...
Publication number
20240011118
Publication date
Jan 11, 2024
Jae-Hoon LEE
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFA...
Publication number
20240011120
Publication date
Jan 11, 2024
POSCO Co., Ltd
Ki-Cheol Kang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...